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Automotive Service Fundamental - Part 2: Basic Electrical

  • Matt Howell
  • Feb 4, 2020
  • 1 min read

Basic Electricity Functional - Part 2: AC vs DC


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This lesson covers basic electricity functional difference between AC & DC in general that you should be aware and understand before going into automotive electrical lessons.


NOTE: Automotive Electric are in DC




AC vs DC


Here are two main type of electric you should be aware of:


AC (Alternating Current): an electric current which periodically reverses flow directions.


DC (Direct Current): an electric current with ONE direct flow.



WHAT USES AC or DC?


AC:

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  • Building Outlets

  • Building Light Bulbs


DC:

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  • TV

  • Computer

  • Anything that uses battery


AC vs DC CHART

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AC Converts to DC

The main purpose of adapter plug is to convert from wall outlet AC to specific DC before it reaches to device.


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How does that work?



Components inside adapters:

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The convert of current as it goes through the adapter:


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